My ejector pump, which is about seven years old, has developed the habit of running sometimes for over ten minutes. There's hardly any water in the basin, so there's this "dry" pumping action. I want to know if there's a risk of damage to the mechanism by it running, and what can be the cause. I noticed a pinhole leakage of water from the clamp on the PVC pipe joiner...could this be related? I had put the pump on a timer to shut off the juice most of the day, but that didn't seem right, so I just unplugged the thing. The sump pump on the other side of the basement runs fine. Any advice? Need I call the experts?